Patents by Inventor Paul T. Vickers

Paul T. Vickers has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method of making wall-flow monolith filter
    Patent number: 4423090
    Abstract: A diesel particulate trap and method of making the same wherein ceramic powder supported by a carrier fluid is deposited by normal fluid flow through the porous walls of the inlet channels in a ceramic monolith filter are fired in place so as to define inlet channels of decreasing cross-sectional flow area and increasing wall thickness relative to the distance from the inlet end to the outlet end of the filter.
    Type: Grant
    Filed: January 6, 1983
    Date of Patent: December 27, 1983
    Assignee: General Motors Corporation
    Inventors: Dean C. Hammond, Jr., Paul T. Vickers
  • Wall-flow monolith filter
    Patent number: 4390355
    Abstract: A diesel particulate trap comprising a ceramic monolith filter having inlet channels of decreasing cross-sectional flow area and increasing wall thickness relative to the distance from the inlet end to the outlet end of the filter.
    Type: Grant
    Filed: February 2, 1982
    Date of Patent: June 28, 1983
    Assignee: General Motors Corporation
    Inventors: Dean C. Hammond, Jr., Paul T. Vickers